Construction materials and machinery in Chile, Peru, and Ecuador,
by W.W. Ewing, trade commissioner ...
APA Citation
United States. Dept. of Commerce., Ewing, W. W., United States. Bureau of Foreign and Domestic Commerce. (1919). Construction materials and machinery in Chile, Peru, and Ecuador. Washington: Govt. Print. Off..
MLA Citation
United States. Dept. of Commerce, W. W Ewing, and United States. Bureau of Foreign and Domestic Commerce. Construction Materials And Machinery In Chile, Peru, And Ecuador. Washington: Govt. Print. Off., 1919.
Warning: These citations may not always be complete (especially for serials).